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    <h1>forin</h1>

    <script>
        try{
            let arr = [1,2,3,4,5]
            for(i in arr){
                console.log(arr[i]);
            }
            let a = 2.34567;
            console.log(a.toFixed(2))
        }catch(e){
            console.log(e);
        }
    </script>
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